CN1117238C - Structure and method for joining parts - Google Patents

Structure and method for joining parts Download PDF

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Publication number
CN1117238C
CN1117238C CN98803155A CN98803155A CN1117238C CN 1117238 C CN1117238 C CN 1117238C CN 98803155 A CN98803155 A CN 98803155A CN 98803155 A CN98803155 A CN 98803155A CN 1117238 C CN1117238 C CN 1117238C
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China
Prior art keywords
hook
goods
shape structure
joint line
lock face
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Expired - Lifetime
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CN98803155A
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Chinese (zh)
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CN1249804A (en
Inventor
伯格·耶特曼
鲁道夫·克瑟可
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Pfizer Health AB
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Pharmacia and Upjohn AB
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Publication of CN1249804A publication Critical patent/CN1249804A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/0018Abutment joints
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/009Combination of a quick-acting type coupling and a conventional one
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type

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  • General Engineering & Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Connection Of Plates (AREA)
  • Body Structure For Vehicles (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Joints With Sleeves (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Multi-Conductor Connections (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Toys (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Container Filling Or Packaging Operations (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)

Abstract

The invention relates to an article of manufacture comprising a partial or complete tubular primary part defining a tube axis and having an at least partially curved circumferential wall at least partially encircling the axis; said wall comprising a joint edge, defining a) a joint line along said edge on said wall, b) a joint plane drawn to contain said joint line, c) a joining direction having at least a direction component perpendicular to said joint line and said joint plane, d) a locking plane at least partially at the surface or within a section through said wall in which both said joint line and said joining direction lie and e) a normal direction being perpendicular to said joint plane; and at least one locking structure, the improvement comprising that the locking structure includes at least one positive or negative hook structure in said locking plane, extending in the joining direction away from the joint line and having an undercut in the locking plane and that the hook structure is exposed from at least one side of the locking plane when viewed along the normal direction. The invention also relates to a method for joining such a primary part to a secondary part and joined such parts.

Description

The structure of part combination and method
Technical field
The present invention relates to a kind of goods, these goods comprise a partial or complete tubulose primary part, and this primary part limits a tube axis and has the peripheral wall to the small part bending of surrounding described axis to small part; Described wall comprises a jointing edge, this jointing edge limits a) joint line at described edge, described wall upper edge, b) one comprises the junction plane that described joint line draws, c) bonding position, it has at least one durection component perpendicular to described joint line and described junction plane, d) lock face, and it is at least partially on the surface or passing on the section of described wall, described joint line and described bonding position all on lock face, e) normal direction perpendicular to described junction plane; And at least one locking structure, it is used for jointing edge mechanical connection another jointing edge on first portion or another part.The present invention also relates to be used for above-mentioned primary part is combined in the method for a sub section, and this part after the combination.
Background technique
Comprise that goods substantially in tubular construction have purposes widely, for example, at aspects such as pipeline, container, capsule, protection sleeve, functional machine parts.Common problem is to combine tubular portion and similar part or auxiliary or accessory such as other pipe fitting, end cap, handle, shaft coupling, guide structure etc.
Typical problem and requirement are the immovabilities that axially reaches the position, angle that guarantees therebetween when tubular portion is incorporated into less important part.Perhaps need to provide the dismountable or permanent locking between part, in a kind of situation in back, perhaps also have other requirement, that is, can check out carelessness or unwarranted dismounting trial.Should be easy to connect between part, manual or produce automatically in all should be like this during by mechanical connection, perhaps also to comprise guide structure so that suitably directed and aligning.Should be able to freely or predetermined position, angle relation two-part are combined.Two-part itself should be easy to produce, should be as far as possible freely and select material independently.When to purity, quality, when tolerance and intensity have higher requirements, when size limitations is strict, for example very important or when using thin material, it is very crucial that the demand just becomes when inside or outside dimensions.
The method of prior art can not satisfy these needs, at special occasions or in using even propose more harsh requirement.Existing combination principle has two kinds basically, and wherein a kind of needs provide a kind of mechanical caging.To satisfy needed cooperation when wherein, the concrete structure on the part engages.Known example is common screw thread, bayonet socket connection, spring locking etc.Typical example is disclosed among JP59-85713, GB 2 257 464, EP 437 909, EP 448 329, JP 59-64321 and the DE43 23 124.The common ground of these technological schemes is, combined part is all overlapping in some way and accumulate on transverse dimension.In the situation of tubular member, must sacrifice inside or space outerpace, the problem of sacrificing the inner space generation is the article of reservation shape can't be placed on wherein, and the problem of sacrificing the space outerpace generation is that the part that combines can not be put into the limited other device of size.For example in the situation of movable members, may require on length, to have the cross section of uniformity.Even when size is not major consideration, overlappingly make smooth transition portion and connection be difficult to realize.Though this problem can solve by adding the desired material of the wideest part, this solution all is being unsafty aspect cost, weight, part thickness, transparency and other factor.Another main combination principle is to utilize gummed, welding, welding etc., makes part have structure material in addition, thereby forms whole.Suitably make in this way, the structure corresponding at a kind of material or whole material can provide the combination with design freedom.But there is critical limitations.In conjunction with being irreversible, generally can not make detachable joint.The material of part is selected also to be subjected to strict restriction.In steps such as heating, cooling, dry, sclerosis or curing, need advanced manufacturing equipment and spended time very.In above-mentioned steps, part needs fixture supports, up to forming bearing strength, in addition, contains possible destructive stress, slag inclusion and irreqularity in the calmodulin binding domain CaM.Tackiness agent, smelt and solvent are pollution sources, all need the connecting part is ground to the tolerance and the degree of finish of regulation, and this can cause the generation of a large amount of particles, are unacceptable in the highly purified application relevant with medicine.
Therefore, associated methods and structure remain to be improved, and be particularly relevant with tubular portion and part so that satisfy the requirement that exemplifies above better, is the method and structure that need have the advantage of machinery and material reinforced two kinds of combination principles concurrently specifically.
Summary of the invention
Main purpose of the present invention provides combination principle, comprises method and structure, to satisfy the demand and to avoid the defective of above-mentioned prior art.A comparatively concrete purpose provides a kind of above-mentioned principle that is suitable for when at least one treats that the part of combination has the tubulose feature.Another purpose provides the above-mentioned principle of the advantage that has machinery and material combination principle concurrently.Another purpose provides and only needs mechanical caging but the above-mentioned principle of advantage of material in conjunction with locking is provided.Another purpose provides the above-mentioned principle that does not need lap or inappropriate lateral dimensions to enlarge.Another purpose provides and can form axially, the radially and circumferential above-mentioned principle of locking.Another purpose provides the above-mentioned principle that can form permanent or detachable locking.Another purpose provide a kind of when on the needs direction, combined part being formed certain guiding function if desired simply, associated methods fast.Another purpose provides the above-mentioned principle that also is suitable in conjunction with thin material.Last purpose provides and can change that material is selected, the combination principle of simple in structure, the part that is easy to make.
Above-mentioned purpose realizes by the described feature of claims.
Substantially utilize article machinery combination principle of the present invention, structure and method, can realize multiple above-mentioned advantage.Can realize totally, fast in conjunction with and not free the delay and high anchor clamps needs, formed connecting part does not have unpredictalbe fault in material or weakness.Can fully reach and select part material respectively.By the accessibility of simple control, can form permanent or dismountable connecting part selectively to combination or locking structure.Contrast with for example screw thread, use hook-shape structure to be convenient in all directions as axially, radially with on the angle direction lock, suitable distribution can make structure be connected to together on a direction or a plurality of direction arbitrarily.In addition, only need several or even integrating step just can implementation structure quick lock in, this is particularly suitable for manual or assembles automatically.By the definite hook-shape structure that needs such as the position of bending or undercutting (undercut) on the plane identical, just no longer need lateral overlap or its combining structure separately of part with joint line.Thereby as when using the material combination principle, simple axial combination can make assembly have the cross section of uniformity, smooth transition portion, minimum maintenance size and the best intensity connecting part to thickness, also is like this when in conjunction with the part of thin material.This orientation of combining structure also makes part in the assembling movement process certain automatic orientation and positional stability be arranged, and this helps installation process.Structure direction also is easy to be applied on bending or the tubular surface, and this can provide additional advantage again, that is, have simply totally to automatically lock performance in assembling.The surface parallel with junction plane can freely be used for supplementary structure as additional locking and fixing device, the guiding device that is used to dismantle the path of motion or is used for further assisting coupling torque.In general, this simple in structure and be easy to make.If it is flexible that the structure at least one combined part is made, so, can realize very simply designing, big convenience is finished the process of closing.
Can further understand objects and advantages of the present invention by following detailed. Definition
The following term of Shi Yonging has the implication of appointment in this manual, unless clear and definite explanation is arranged in the specification in addition.
" tubulose " is meant the shape of goods part, this shape limits one and analyses and observe the surface in sectional view, this surface is crooked, can be continuous, or interrupted, the part that links together individually is so that form a zone that does not occupy, when the surface of segmentation (sected surface) itself did not center on two area closes that do not occupy, this zone was encapsulated as closed pattern by the surface (sectedsurface) of segmentation completely or by the segmented surface of finishing with straight line.And the part that is shaped in accordance with regulations needn't form the section of complete closed, but comprises this shape of part, as the part pipe of semicanal, 1/4th pipes and other kind.In addition, it is rotational symmetric analysing and observe that the surface need not, but also comprises other shape such as polygonal, has the continuous or interrupted crooked number of degrees of variation.
" tube axis " is meant one perpendicular to the section of tubular shape, section do not occupy in the zone and at the line that does not occupy regional center of section.This line can be straight, bending or knuckle, and this depends on the shape of tubular portion on above-mentioned Vertical direction, for example is pipe always, curved or tortuous.
Relevant with the directional information of tubular portion, " axially " is meant the direction that is parallel to defined tube axis, " radially " be meant the direction that is parallel to become laterally and is positioned at the radius of section with tube axis, " tangentially " is meant and is parallel to the tangent line of analysing and observe the surface and perpendicular to tube axis and direction radially, " circumferencial direction " is meant the direction of circular order of following the connection point of contact in analysing and observe the surface in section. Describe in detail
The present invention can be used in conjunction with goods and structure multiple, infinite number.For convenience of description, suppose that a part is a primary part, at least one also can be that several sub sections are connected in primary part.Primary part needn't separate fully with sub section, but can other device of mobility therebetween is provided as be connected by hinge by being used to except the hook-shape structure that will discuss.Can utilize combination of the present invention though have the part (or flat part) of flat junction plane, but connect at least one defined tubular portion with the present invention many advantages are also arranged, this is because can bring special benefit, and such part does not still have gratifying associated methods.When having tubular portion, suppose that primary part is a tubular portion, and sub section can be a tubulose, also can be any other shape.As mentioned above, tubular portion needs not to be complete pipe, and also can be the tubular structure of part.Pipe needn't have special symmetry properties or circumferential shapes, but can have the tubular of any other kind, but continuous curvature and rotation symmetry are preferred often.Equally, though goods can be on its whole axial length or be tubulose on its primary part,, minimum requirement is to be tubulose on the section that will consider, two that extend from the section shapes that can have other kind on axially.Representative instance at the tubular portion on the above-mentioned meaning has stopper, protection sleeve, Sealing, packing ring etc. except that the pipe of rule.
Preparation is combined in sub section on the primary part can be similar or be same as the various modification of above-mentioned primary part.For example, two or more pipeline sections can be in conjunction with to form longer structure, perhaps the container of two part tubuloses can opening to opening be combined into one and seal so that before the connecting part forms, put into content.Sub section can be diverse, but can comprise connector, guiding or the steering structure etc. of handle, erecting device, various article or machinery.For example when as installing or during handle component, the positive part at least of combining structure (hereinafter will describe in detail) even can be used as sub section.Thereby sub section needs not to be tubulose, and can be flat, or has any other functional shape, but, when elementary and sub section all are tubulose, has some advantage when particularly having essentially identical shape of cross section in the connecting part.
In general, primary part has an end or edge at least, and its at least a portion will be connected in sub section.Sub section also can have a similar end or edge, and in this case, two edges are faced usually mutually on the public calmodulin binding domain CaM on the last assembly, butt or leave a gap therebetween.For convenience of description, suppose that " junction plane " can be arranged on, or draw by above-mentioned end or edge that it roughly faces relative part surface in last connecting part, therefore, " joint line " that can see on above-mentioned part surface is positioned at above-mentioned junction plane.Junction plane can be generally flat, but also can be crooked or warpage, has discontinuous angle broken line (angle folds), and this depends on how end or edge of part is cut under the junction plane.But, because junction plane mainly comprises described joint line, thereby junction plane needn't be accurately corresponding to end or edge surface or near the accurate part cross section of end, but, actual end can partly be passed junction plane or extend from junction plane, whether follows the hook-shape structure of the complexity that will describe especially.Equally, joint line can be straight in the plane, but also can be crooked or polygonal, and the common pipeline section that for example ends at the junction plane of axis normal will comprise that a circular ring is around joint line.When mentioning " joint line direction ", be meant direction identical with joint line or that parallel, thereby this direction can be straight, crooked, significantly around." bonding position " is meant the direction perpendicular to junction plane.It can be considered to for forming combination, and two-part junction plane is the direction of convergence mutually, and the gap when convergence between the junction plane reduces.But, it needn't be corresponding to approach direction actual in actual cohesive process, this be owing to this actual convergence also may according to " touching " mode or or even " shearing " mode tilt, in aforesaid way, two junction planes at first overlap, make the part edge butt, in described junction plane, do pure transverse movement.
For the primary part of preferred tubulose, junction plane can extend according to two different substantially modes, but also has various intermediate forms.Junction plane pipe relatively becomes axially, thereby on described axial direction part, tube axis is parallel to or falls in the junction plane.In this case, joint line may parallel to the axis, and is straight in the situation of straight tube, and is crooked in the situation of bend pipe.Bonding position can be pipe radially, as long as can use other reality in conjunction with moving direction.The principle of this junction plane can be combined into a complete pipe with the cover of two semicanals and illustrate.Second basic principle is to make junction plane perpendicular to tube axis, thereby makes the pipe radius fall into junction plane.In this case, joint line is a loop curve, and it can form the line of a sealing in the situation of complete pipe.Bonding position can be axial, allows other actual convergence.The principle of this junction plane can be combined into longer structure coaxially with two crescent or pipeline sections and illustrate.A kind of possible intermediate form is to make junction plane and tube axis at an angle, for example, provide an oval joint line from a pipe, it can be used for multiple purpose, comprise the additional locking that the motion of opposing position, angle is provided, be provided at the ell of the predetermined or variable-angle on the microscler part etc.Other possible intermediate form is to use flat or crooked junction plane so that cut out arc or section from tubular portion.The above-mentioned principle that is used to limit junction plane also is applicable to the sub section that contains tubular structure.On the other hand, the diversity of this part that can envision makes and can not do general the description for possible junction plane orientation.
Above-mentioned primary and secondary partly comprises the locking structure that makes two-part keep the relation of its needs.Locking structure preferably is used for preventing to separate or the motion on bonding position at least, preferably also can be used for preventing the motion on the joint line direction, preferably can also prevent with the bonding position direction vertical with the joint line direction on motion.In order to realize above-mentioned functions, locking structure comprises at least below may also comprise other supplementary structure that will talk about with the hook-shape structure of describing.
The locking structure preferred design of combined part must make lock face the part the surface on or passing the part section on, described lock face is provided with to such an extent that joint line is included in this face, in described lock face, define a hook-shape structure, it is used to prevent above-mentioned detaching motion, that is, prevent separation on bonding position at least.According to the present invention, lock face is arranged to such an extent that also have a component on bonding position at least, and in many situations, lock face preferably extends on described bonding position substantially.In other words, described basic hook-shape structure is oriented on the described bonding position.
Minimum requirements for the hook-type on described lock face is, it has one " undercutting (undercut) ", its meaning is with single or compound shape, go up extension at bonding position with at bonding position (jointing direction) with in joint line direction (joint direction), for example tilt with respect to this both direction.This is in order to guarantee, when in last combination, and during to similar textural association, the surface component resistance of being extended by side direction on the joint line direction at the Separating force on the direction of engagement.The simple form of this structure becomes the obtuse angle to extend " pin (spike) " with the joint line direction with bonding position.This structure is on it extends to small part, measure on the joint line direction, have roughly constant width, this can be used for allowing the rotation of a weak point in conjunction with motion in assembling, imitate a kind of screw thread motion of part, unlikelyly when carrying out this motion cause two-part any distortion.Rotate if will prevent in this case, so, can use two with the different angles or the similar structure of extending with different direction, can use diverse secondary structure, perhaps pin (spike) can have waveform, zigzag fashion or irregularly shaped on the scope of bonding position, to prevent withdrawal.
In many situations, for example, for anti-rotation and the selection that automatically locks, a kind of preferred construction is " neck and head " formula structure, it has " neck " at the close joint line of first width of joint line direction (joint direction) measurement, and one second width of joint line orientation measurement from joint line " head " far away, described second width is at least somewhere greater than described first width.When in the end in conjunction with in when combining with analog structure, above-mentioned neck and head since head can not cross neck width thereby can prevent detaching motion on bonding position (jointing direction).Can envision many necks and head formula structure.Similar to the dovetail in the joint in the Wood Processing, this structure can be substantially triangular in shape, and has wide portions that constitutes head and the tip part that constitutes neck.But, it is general that what recommend is that when joint line was looked, head protruded slightly rather than be flat or recessed, so that improve automatic guide and automatic stabilisation performance, a kind of form wherein can connect with the rounding member in the common picture puzzle (jig-saw-puzzle) and illustrates.In order to reduce gap and the wedge effect on bonding position, preferably adopt a kind of in the good form of above-mentioned each side effect, that is, and the placed arrow type shape, its arrow constitutes head, its arrow shaft constitutes neck.Arrow can be substantially triangular in shape, and arrow shaft can be straight or can be leg-of-mutton, and its tip is connected in the near bottom of triangle arrow, for example, when respectively when near-end or far-end are looked, makes structure more symmetrical.Though deviating from the bonding position of joint line, head can be connected in one or more additional necks and head construction at its far-end, for example is wave or sawtooth form,, adopt a neck and head construction just enough usually.In order to reduce gap and the wedge effect on bonding position, preferably make at least one outline portion of hook-shape structure be basically parallel to joint line, particularly make this outline portion on bonding position, resist Separating force, that is, and the proximal head of looking from joint line.For example, if comprising the flat substantially part that is parallel to joint line, arrow bottom can be used for this purpose.
In order to form complete combination, hook-shape structure needs dual mode, a kind of is " just " mode, and wherein, described hook-shape structure is positive concrete convex portion, it is arranged on the elementary or sub section that it connects, another kind is " bearing " mode, and wherein, hook-shape structure is hole or recess, it forms on the elementary or sub section that is connected, and often aforesaid way also is called sun and female part.Minimum similarity in lock plane between the positive and negative shape is that negative part is wanted the big positive part that must be enough to hold.But, for example, for the ease of assembling, for control hook for structure relatively and definitely around property, for economical with materials or for the craft or the tool path of unclamping hook portion is provided, negative part can be greater than positive part and needn't be consistent with it.Even for above-mentioned purpose, the part that preferably makes this mode at least on the locking direction of above-mentioned recommendation is at least at some position butt or close, so that control gap and tolerance.But, in many situations, for example,, preferably make positive and negative shape similar substantially or consistent in order to obtain the Security that the highest intensity, best rigidity and opposing get loose.
The hook-shape structure of at least one any way (plus or minus) need be arranged on the part of a preparation combination, but, often preferred symmetry or asymmetricly arrange several hook-shape structures on each combined part is so that improve conformity, intensity and automatically lock performance.Though in order to guarantee special directed or combination motion, can adopt diverse hook-shape structure in the general arrangement for each hook,, in order to simplify general structure or to assemble, preferably use several hooks of same design in order to be chosen on several directions.When on each combined part, being provided with several hook-shape structure, the various configurations of the structure of positive and negative mode can be arranged.On each part, can only there be a kind of mode, for example, negative part only be set on primary part, positive part only is set on sub section.The positive and negative part that on two combined parts, can have mixing.When doing a kind of selection in back specially when upward positive and negative structure is basic identical with a part, this also makes combined part is similar aspect hook-shape structure, a preferred embodiment of this selection is the hook-shape structure that adopts symmetry, thereby two separation between the positive hook-type just constitute the negative hook-type of basic identical shape, for example tortuous cutting out repeated identical projection and recess.Last a kind of selection is to adopt an intermediate portion in conjunction with two parts that all have identical positive and negative structure, above-mentioned intermediate portion has two kinds of structures of complimentary fashion, for example, adopt a middleware that has two negative recesses in conjunction with two only with the part of positive structure, perhaps adopt the middleware of relative positive structure only to be with the parts of bearing structure in conjunction with two, but, in this selection, middleware also can be counted as a secondary structure, and another secondary structure is again in conjunction with thereon.
As previously mentioned, on the lock face the thin bilge construction of talking about just now of hook-type is being set at least on the primary and secondary part.This makes two-part combination in the following manner, that is, two-part how much lock faces become substantially parallel at certain position at least, preferably are fused into a face.When lock face has extension part on bonding position, above-mentioned principle can guarantee that at least hook-shape structure complementary on combined face helps to resist the latching resistance that separates on bonding position, need not overlapping hook-shape structure part on the side direction perpendicular to lock face.For example, this part that can be used for two same thickness is to form the connecting part of consistency of thickness, and be not more than the part that is used for two different-thickness than the connecting part of thickness portion at a thickness, and the sub section that is used for arbitrary shape, the connecting part utilizes the whole thickness of primary part, so that transition and raising intensity.
In other words, the reason that possesses above-mentioned advantage is, above-mentioned positive and negative key component such as undercutting or head and neck will drop on the identical line or face when lock face upper edge bonding position protrudes.Specifically, end or the edge of positive structure down to a durection component on bonding position from combined part protrudes, and be recessed in identical direction on another part as the negative structure of recess.In general, said structure can get in the end of combined part as a structure and an opening respectively.
As a kind of descriptive tool, the implication of lock face mainly is meant a zone that covers the hook-shape structure scope on bonding position and joint line direction, covers several hook-shape structures different or that repeat on a back direction.Except as otherwise noted, the understanding of lock face will be defined in this sense.
Aforesaid lock face is axially and joint line when being arranged on one of front on junction plane has the tubular portion of polygonal cross section, can be flat.But in general, lock face is preferably crooked, continuous bend preferably, if on an axial junction plane, joint line is arranged on part bending or warpage of circumference, it so just can be this situation, perhaps, if junction plane perpendicular to the axis of tubular portion, then must be this situation, this be since at this moment lock face be crooked at least to a certain extent or wrap on the circumference, in the situation of complete pipe, lock face can seal, and is for example cylindrical.
The combination of hook-shape structure can be carried out according to several modes, wherein has the corresponding structure requirement.Design undercutting or head are in order to prevent separating on bonding position with neck structure.If hook portion is flexible on lock face in the joint line direction, make the edge that can arrive of the cavity that positive structure can be by leading to negative part insert negative part, for example, utilize the plasticity of material or the projection of fexible bias pressure, compress positive part or the negative part of expansion, this can utilize the negative part of complete closed.But in order to make last assembly that best intensity and simplified structure be arranged, hook-shape structure preferably is the distortion in lock face of resisting of rigidity basically, in other words, positive and negative structure division must be on the side direction of lock face, promptly, motion by the component on the normal direction that has lock face at least comes combination, and the corresponding structure part of positive and negative hook-type preferably substantially directly enters engagement.This generally requires each hook portion to have at least one surface that is basically parallel to lock face to can be another hook portion and reach, relevant surface can be placed face with each other, move into engagement then on the normal direction of locking surface.Specifically, the cavity of negative part need be uncovered, so that can reach from described normal direction.As fruit part is rigidity, can resist the deflection on the lock face normal direction, the right hook portion of Surface of action as long as combined part can move on normal direction, and above-mentioned combination principle just can use.In other words, in assembling process, combined part does not move on bonding position substantially, but on the direction of the component on the normal direction that has at least at lock face, move, when having only a hook-shape structure in the connecting part, perhaps when several hooks are arranged on flat substantially lock face, when perhaps lock face is not along the joint line bending, because hook can be meshed by the normal direction motion simultaneously in these several situations, thereby this is easy to arrange.If being arranged in, several hooks have along on the lock face of the bending of joint line, as long as hook-shape structure can projection on moving direction, and the hook of two complete opposed on the pipe of a cylindrical shape locking face for example, then assembling is still possible.
The assembling mode of a recommendation is, hook-shape structure is made flexible, preferably flexible on the normal direction of lock face, make the hook can be from the outside flexure unber lateral of lock face, this can provide very big polytrope.For example, though part is combined,, can realize assembling by the motion on bonding position now.For example, in the process that undercutting or head pass through, by making the hook portion that matches from the outside flexure unber lateral of lock face, then, make hook portion return lock face at least, this also can realize engaging.Hook preferably is not only deflection, and is flexible, towards opening or the inclined to one side bullet of disengaged orientation, in this case, perhaps to perhaps preferably towards the inclined to one side bullet of closure or engaging position, so just can have elastic locking and the performance that automatically locks at an additional locking ring.Also can be used for preventing when several hooks in the situation of the separation (hereinafter will describe in detail) on the normal direction at lock face, even on the crooked lock face of curvature arbitrarily, also can make several hook combinations.In the positive and negative hook portion at least one should be made flexible in the manner described above, and perhaps the both makes flexible.As mentioned above, the part of positive mode can be flexible, and the part of losing side formula can be by making the concrete structure that surrounds negative hook portion, that is, the material that forms cavity has similar flexible mode and makes flexible.Flexible can formation according to known mode itself, for example, fully along hook-shape structure or for its specific part, select flexible material, perhaps reduce structural thickness or width, so that control needs near the bending the mounting points on position such as the combined part.Have the hook-shape structure of narrow (as the neck in the hook-shape structure of head and neck mode) on the joint line direction, limiting, automatically have flexible concentrated position, unless eliminated on one's own initiative by the variation of thickness and material aspect.
Described hook generally can prevent primary and secondary part separating or motion on bonding position and circumferencial direction admirably.But, in order to guarantee normal direction, hereinafter be called the location on " third direction " at lock face, perhaps need special measure, locking structure preferably includes the device that is used for above-mentioned purpose.Hook-shape structure itself for example is arranged in along in the situation on the lock face of joint line bending at more than one hook under certain conditions, and above-mentioned location can be provided.If in this connecting part, shearing Separating force along the radial effect of first hook on the primary and secondary part of connecting part, so, as long as in the tangential of the first and second hook place lock faces is not situation parallel to each other, this power just becomes tangent or is tangential on second hook on the crooked lock face at least in part, thereby blocked by this second hook, though at least two hooks are just enough when being provided with in the manner described above, but when relying on the method for this locking third direction motion, the general recommendation used at least three, preferably more hook.Several structures can asymmetricly be provided with, but preferably are provided with symmetrically along joint line, and for example, three hooks are separated by 120 ° on a complete pipe.
When arranging hook device in the manner described above, individually or as a supplement, preferably adopt the supplementary features except the essential characteristic of above-mentioned hook.This supplementary features can be fully separated with basic pipe and hook-shape structure, also can separate with the part of these basic structures.As the feature of separating, can use known anchor clamps and engage accessory, for example locking ring, tackiness agent etc., but, this device causes the shortcoming on described general aspects when this specification begins easily.A kind of device of separation of recommendation is to use firm edge body in tubular portion, is arranged on hook at least and has the position, but also can extend more longways in the axial direction.If edge body and inner tube wall radially or the gap on the third direction less than the thickness of hook, so, it just can prevent to be hooked in the third direction disengagement effectively.If the application of tubular portion is to want to hold an object, for example to work as tubular portion and constitute the container of an object or encase a sleeve etc., this selection has special value, because in this case, device that need not to add or cost just can realize locking.
On the elementary or sub section except that hook portion, also can be provided for the device of third direction location.In the end be used in the assembly on any overlapping part or two parts the surface being set, make this overlapping prevent the part on third direction mutual dislocation.Can need at least two such surfaces in order to prevent to separate on the either direction in two shear directions.This feature is the one or more hinges between the part of preparing combination, and it is overlapping fully that this feature can be avoided, even can make in reducing thickness of material, and this itself is known.Have certain elasticity if prepare the part of combination, so, also can provide hinge function by the structural strain's of portion.Because around the rotation of hinge, hinge can influence in conjunction with motion.
For example,, on tubular portion, can be provided with overlapping or hinge, and when junction plane during, can put on the circumference of end at least one and be provided with overlapping or hinge perpendicular to tube axis along an axial line of pipe circumference when junction plane when being axial.
Also can prevent getting loose on the third direction by the structure Design that makes hook-shape structure itself be included in the relative movement of the positive and negative hook portion of restriction on the 3rd direction.Between hook portion in conjunction with the motion is side direction, that is, and in the time of on the normal direction of lock face, structure should prevent the hook portion stroke can be longer than the engagement needed value.When the lateral movement direction is looked, at the far-end or the near-end of arbitrary hook portion stop surface is set, this point generally also can realize on the part of very thin preparation combination.Stop surface can be arranged in outside the interior or outer perimeter of the part of preparing combination according to overlap mode, particularly in the situation of the part of different-thickness, as fruit structure is within the boundary line of thicker part, and stop surface can be made and needn't weigh between intensity and lateral dimensions so.Form stop surface, it can be used and the conventional method that do not increase lateral dimensions is the thickness that utilizes hook, that is, utilizing on the normal direction that is hooked in lock face is extension on the described third direction.The mode that this thickness can be used for above-mentioned purpose is, in lock face, form at least a portion hook-type profile, when a narrow shape is arranged when third direction moves, for example one tilts straight, crooked or zigzag fashion, becomes a general angle so that a narrow wedge shape to be provided with third direction, be flat in the situation of ledge surface perhaps, the level with needs on third direction provides stopping function to hook portion.Should guarantee the feature that narrows down in the part of the positive and negative of hook at least one, go up and form this feature but be preferably in both, so that make stop contact surface optimization.
Hook-shape structure thickness can be used for other purpose the locking on third direction.In locking process, when the normal direction upper edge of lock face moving direction is looked, the far surface of positive hook portion can on one or two direction be point or taper, when the negative hook portion of positive hook portion convergence, provide self-centering action with respect to the cavity of negative part.Equally, negative hook portion can form towards the shape of widening of cavity surface nearby, also can widen towards the opening of cavity on the end of part, so that help mutual centering between part in assembling process.Another purpose is to use this thickness that the latch performance is provided, so as in conjunction with prevent after forming hook portion from, for example, this realizes by following manner: make and surperficially widen on moving direction or be spill.When the middle hook-type structure division that use to separate, when hook portion is not flexible, but must on third direction, specifically locate or during as a supplemental characteristic, this is of great value.Implicit last selection is that to make the contour shape of hook be straight basically on moving direction, for example, this is in order to carry out free shearing assembling campaign, perhaps in order to prevent from lock face, to have component, as the power that is parallel to joint line or bonding position is transformed into the flexure unber lateral power on hook-shape structure, if this is considered to not meet needs.Above-mentioned various designs can be used with, and for example, for the purpose of above-mentioned guiding, it is straight to avoid above-mentioned flexural force that the other parts of hook-shape structure are remained, and can adopt conical surface when needs.Hook-shape structure can comprise other thin bilge construction such as handle, opening or be the undercutting of leading to or inserting back off tool mutually.
Though hook-shape structure can have Any shape on perpendicular to the thickness direction of lock face, as rotational symmetric head and neck type, for example have spherical head and circle tube neck part, but, hook preferably is flat substantially, makes Extreme breadth on the lock face joint line direction greater than the maximum ga(u)ge on the lock face normal direction.The ratio of this width and thickness should be greater than 1.5, more preferably greater than 2.Absolute dimension depends primarily on the character of the part of preparing combination, can not provide general numerical value.
The material of making hook-shape structure can be any material such as metal, glass or plastics.As mentioned above, hook-shape structure can be a rigidity when adopting shearing combined techniques, can be soft when adopting the position fixing apparatus that adds of hook in assembling.At least a in the hook-shape structure mode, best two kinds of recommendations are made with elastic material, so that can adopt the flexure unber lateral combined techniques, in this case, the material of recommendation is plastics such as polymethylmethacrylate, polycarbonate (PC), polyolefin, gathers third ethene, polyester etc.Hook-shape structure can separate manufacturing with combined part, and hook-shape structure is preferably made with primary part integral body on the primary part at least, and best be that hook-shape structure on combined two-part and combined part separately are whole.When being integrated type, the manufactured materials of recommendation is above-mentioned plastics, and manufacture method can be any method of moulding, and but, hook-shape structure also can be by formation such as cutting, milling, punching presses.
The whole bag of tricks of assembling hook-shape structure has been described in conjunction with the different motion of the part of preparing combination and hook portion above.In general, be preferred based on the method for the flexure unber lateral of elasticity hook portion, described above on bonding position in conjunction with motion.Can adopt different positive and negative shapes, so that in last assembly, provide mobility.For example, as the head that will bear on bonding position greater than positive head, then greater than positive neck, so, last connecting part will make the part of combination can to-and-fro motion between two end positions to Fu neck on bonding position.If similarly width configuration forms on the joint line direction, so just can be in two end position intercropping angles or side direction activity.But, in many situations, preferably having the connecting part that is rigidity substantially, the tolerance on described direction should be very little or be zero.Each part of preparing combination has an edge or end, and a corresponding junction plane, and in the face of another part, hook can be set to make between above-mentioned edge has the gap in last connecting part to this junction plane, thereby junction plane separates in assembling.But what recommend in most of situations is that the layout of hook keeps closely above-mentioned end or edge or preferably forms opposite joining relation at some position at least, thereby junction plane is contacted at least, preferably overlaps, relevant joint line fusion.
Combination principle of the present invention can be applied in any occasion that need be benefited from its advantage.As described in when this paper begins, the present invention is advantageous particularly in exigent application.The purposes of a recommendation is partly to constitute a container at primary and secondary, and is when a special container substantially in a tubular form is, especially suitable when holding solid part in container.Standing part preferably can be injecting type ampoule or shell, in one or several piston is arranged discharging its content, this container can comprise an opening that is provided with for plunger in this case, also can comprise an annex that is provided with as pin for outlet.As an example, the present invention successfully has been applied on the container of glass tubular type ampoule of pharmaceutical preparation, this container application is in the patent application SE 9602611-7 of for example the applicant's common not authorization in the disclosed device, above-mentioned patent application is used for referencial use in this manual, and this device comprises the distribution machinery of an ampoule content.In above-mentioned application, utilize some advantages of the present invention, for example, do not had the manufacturing and the assembling of the cleaning of particle; Latch formula assembling automatically; In container, lock solid; If not making appreciable destruction just can not unlock; Make the angle locking that needle stand and screw thread plunger machinery can thread engagement; The outside dimensions of uniformity makes the size minimum of dispensing device and can be in axial sliding between device and shell; It is once molded so that required whole guiding of distributing mechanism and assembly structure etc. to be provided.As an alternative or supplement, principle of the present invention also can be used for above-mentioned ampoule is installed on the dispensing device, for example is installed on its housing or on its distributing mechanism, in this case, the container ampoule can be counted as primary part, and dispensing device can be counted as sub section.
Brief description of drawings
Fig. 1 is the schematic representation at two tubular portions of axial junction plane combination.
Fig. 2 is the schematic representation at two tubular portions that combine with the vertical junction plane of tube's axis.
Fig. 3 A to 3F schematically represents the different modification of hook-shape structure.
Fig. 4 A to 4D is the cross-sectional figure that passes hook-shape structure shown in Fig. 3 C, the different shape modification that expression hook-shape structure thickness extends.
Fig. 5 A and 5B are the front elevations of hook-shape structure shown in Fig. 3 C, the different shape modification that expression hook-shape structure thickness extends.
Fig. 6 A to 6C represents an embodiment with stereogram and sectional view, and this embodiment has a dactylostyle part and the sleeve part shown in Fig. 6 B as shown in Figure 6A, they can in conjunction with and the sealing of formation shell, its function detail is shown in Fig. 6 C.
Fig. 7 A and 7B represent an embodiment who has two tubular portions with view and sectional view, these two tubular portions can in conjunction with and form the sealing of shell, with shown in Figure 6 similar.
The contrast the description of the drawings
Two tubular portions that are semicanal 1 and 1 ' form of expression in Fig. 1, they are combined into a complete pipe that has axis 2 at theoretical junction plane 3, two joint lines 4 and 4 ' on the above-mentioned theory junction plane.Be signal arrow 5 and 5 ' the hook-shape structure of array format on the bonding position that is limited, extend substantially.Positive hook-shape structure 5 stretches out from the joint line 4 of semicanal 1, positive hook-shape structure 5 ' from semicanal 1 ' joint line 4 ' stretch out.The hole of negative hook-shape structure joint line 4 ' locate to be arranged on the semicanal 1 and joint line 4 places be arranged in semicanal 1 ' on.As shown in the figure, positive and negative structure roughly by the lock plane 6 and 6 of the bending of dotted line 7 and 7 ' defined ' on assemble.As can be seen, joint line 4 is present on junction plane 3 and the lock face 6, joint line 4 ' be present in junction plane 3 and lock face 6 ' on.For dress, tear complete pipe open, semicanal 1 and 1 ' as arrow 8 and 8 ' shown in can move one according to cut mode and be equivalent at least along the distance of the hook-type thickness of above-mentioned direction.This selection is also applicable to the hook of perfect rigidity.Perhaps, the assembling of complete pipe also can be undertaken by following manner: as relative arrow 9 and 9 ' shown in, along the mobile opposite to each other semicanal 1 of the bonding position that is limited and 1 '.In this selection, hook-shape structure is preferably flexible, so that make its can positive arrow by in the process of negative arrow along perpendicular to relevant lock face 6 and 6 ' direction on the side direction deflection, the mode of preferably getting back to lock face by bending, above-mentioned complementary structure can be locked.A kind of replacement scheme is, remove a whole lock face fully, for example lock face 6 ' and hook-shape structure 5 ' and joint line 4 ', replace a hinge or a continuous part of pipe just, thereby make two parts 1 and 1 ' be actually part on the same tubular construction.Now, the dress of the remaining hook-shape structure 5 at joint line 4 places in lock face 6, tear open and can be undertaken by following manner: around hinge through, perhaps in the situation that hinge is not set, utilize the flexible of tubing itself to carry out.In addition, in this joint replacement scheme, as mentioned above, hook-shape structure is preferably flexible.The flexible of hook-type can form by following manner: it is flexible making material or above-mentioned both between positive hook-shape structure, the negative hook-shape structure.
As shown in Figure 2, two tubular portions 21 and 22 that present two sections complete pipe forms are combined into a complete pipe that has axis 22 on theoretical junction plane 23, and the circular joint line 24 of a sealing is on the above-mentioned theory junction plane.Just in time the hook-shape structure of pair of opposite arrow 25 and 25 ' form extends on the bonding position that is limited substantially.Positive hook-shape structure 25 stretches out from the joint line 24 of part 21, positive hook-shape structure 25 ' and from part 21 ' stretch out.The hole of corresponding negative hook-type be arranged in part 21 and 21 ' on, deviate from joint line 24 and extend.In the illustrated embodiment, two parts 21 and 21 ' all have positive and negative structure, but also can each part have only a kind of form, as with shown in the dotted arrow of arrow 25 mirror-inverted.As shown in the figure, positive and negative structure is roughly assembling in the annular lock face 26 by the bending of dotted line 27 and 27 ' define.Joint line 24 is present in junction plane 23 and the lock face 26.In order to adorn, tear open complete pipe, part 21 and 21 ' can as arrow 28 and 28 ' shown in move a distance that is equivalent to the thickness of rising to the bait at least with cut mode in above-mentioned direction, as long as one of hook-type group 25 or 25 ' exist, if perhaps hook-type group 25 is flexible at least, but flexure unber lateral diametrically gets final product until positive and negative structure engages.As alternative preferred embodiment, the assembling of complete pipe can be carried out in the following manner: as opposite arrow 29 and 29 ' shown in, part 21 and 21 ' is in opposite directions moved.In this selection, hook-shape structure is preferably flexible, makes it can do flexure unber lateral on perpendicular to the direction of relevant lock face 26 in positive arrow proceeds to the process of negative arrow, and preferably the mode of getting back to lock face by bending can lock above-mentioned complementary structure.When having two antipodal hook-type groups 25 and 25 ' time, this layout be used for not only week of bonding position upwards, and perpendicular to the third direction of lock face or prevent from diametrically to get loose.For example, if according to arrow 28 and 28 ' apply the shearing Separating force, so, even this power also can be offseted by hook-shape structure 25 not by hook-shape structure 25 ' payment.
Fig. 3 A to 3F schematically represents the different modification of hook-shape structure.The part 31 of part 31 below joint line 34 is incorporated in all these accompanying drawings above the supposition '.Can be counted as at least a portion of lock face 36 shown in each above-mentioned accompanying drawing, but, the extension that lock face can be longer on the joint line direction.Lock face 36 can be flat as shown in the figure, but is crooked in great majority are used, on the bonding position shown in arrow among Fig. 1 32 or crooked on the joint line direction shown in arrow among Fig. 2 33.In Fig. 3 A, locking structure 35 and 35 ' be simple projection, they have constant width on joint line 34 directions, but, all tilt with respect to joint line direction and bonding position, thus form opposing arrow 37 and 37 ' shown in the undercutting (undercut) of Separating force on the joint line direction.If only exist by the sort of hook-shape structure that has similar inclination shown in the hook-shape structure 35, so, part 31 and 31 ' just can be combined by the motion of the sort of similar inclination as shown in arrow 38, depend on the bent situation of change of lock plane, above-mentioned motion can be straight line, bending or rotate.If also exist single hook-type 35 ' shown in other hook-shape structure of tilting of difference, so, just can not only realize locking and remove locking by a motion of tilting.In general, all hook-types among Fig. 3 A to 3F can combine by one of following dual mode: first kind of mode be under the situation of described junction plane 36 bendings in conjunction with Fig. 1 and 2 by perpendicular to the part on the direction of drawing 31 and 31 ' between shearing relative movement realize combination, the second way be by utilize can the flexible hook-type of side direction deflection on the above-mentioned Vertical direction bonding position 37 and 37 ' on motion realize combination.
In Fig. 3 B, hook-shape structure is the neck formula, on the joint line direction, have the head 35 of broad and narrower neck 35 '.Space between two positive hook portions constitutes and the positive identical negative hook portion of hook portion shape, make last tortuous regularly in conjunction with profile, and make the edge or the end of combined part 31 and 31 ' on joint line, have symmetry, say that in this sense the hook-shape structure here is symmetrical.
The hook-shape structure shown in Fig. 3 C have head 35 and neck 35 ', but outstanding head is a rounding, this helps assembling.On the meaning identical with the description of Fig. 3 B, this structure is symmetrical.
In Fig. 3 D, hook-shape structure have head 35 and neck 35 ', but be arrowhead form, this also is beneficial to assembling.Though say it is asymmetric in the above on the meaning that this structure is mentioned,, Biao Shi part 31 and part 31 ' can have positive and negative hook-shape structure here.As shown in the figure, the bottom of arrow, that is, the arrow part of close joint line has the part parallel with joint line, thereby forms the butt joint of the maximum rigidity of the Separating force of opposing on bonding position.
In Fig. 3 E, have head 35 and neck 35 ' preferred placed arrow type hook-shape structure made into the symmetry profile.
In Fig. 3 F, part 31 and part 31 ' all only have negative hook-shape structure, their combination is to utilize middleware 39, this middleware has two and is sagittate opposite positive hook portion substantially.
Fig. 4 A to 4D is the cross-sectional figure of the hook-shape structure shown in Fig. 3 C, the different shape modification that expression hook-shape structure thickness extends.In these accompanying drawings, label 41 is positive hook-shape structures, and label 42 is negative hook-shape structures, and it has a cavity, and there is narrower neck 43 on the cavity right side, and there is the head 44 of broad in the left side.In all these accompanying drawings, positive and negative hook-shape structure be along arrow 45 and 45 ' the direction combination, this is a kind of above-mentioned shearing assembling motion, and perhaps the decline of assembling motion relates to the flexure unber lateral of hook-shape structure, and the structure reverse flex is to finish locking work subsequently.In Fig. 4 A, two-part thickness size has been endowed the conical cross-section of cooperation, thereby the surface 46 and 46 of part ' along arrow 45 and 45 ' direction on the decline of assembling campaign be in contact with one another, its objective is a stopping device that further moves as at above-mentioned third direction, but positive hook-shape structure tapered front surface 46 also is beneficial to the flexure unber lateral of the early stage flexible hook-type of the assembling campaign on bonding position.In Fig. 4 B, front surface 46 and 46 ' be endowed and opposite tapered cross-section shown in Fig. 4 A, the lock function that provides opposing to get loose is provided for this after the intake resistance in having overcome assembling.Fig. 4 C represents a kind of biconial cross section, and the pointed cross section that form to cooperate in the thickness range of hook-shape structure is so that be used for preventing motion on two side direction after having overcome the intake resistance in the assembling.Flat stop surface among Fig. 4 D is used for preventing the further motion perpendicular to junction plane after hook-shape structure enters engagement.Two stop surfaces of having drawn in the drawings but, have only the structure of a stop surface just enough.The purpose of first stop surface 47 on the positive part 41 be with negative part 42 on end portion surface 47 ' against, stop surface 47 ' cut out on part 42 has been reserved lateral dimensions.At the stopping device of the complementary surface 48 of the second stop surface 48 ' formation on the negative part 42 on the positive part 41, here, stop surface 48 is positioned at outside the two-part common thickness range.In order to form the stepped shaft cross section, can also form other otch and stop surface.The sort of stop surface shown in Fig. 4 D also can be arranged among the embodiment shown in Fig. 4 A to 4C, so that the control lateral movement.The other parts except that anterior of hook-shape structure obviously also can form illustrated modification, and they can have other shape except straight, crooked, zigzag or stepped shape.
Fig. 5 A and 5B are the front elevations of the hook-shape structure shown in Fig. 3 C, and expression is when the different shape modification of hook-shape structure thickness extension when look in the place ahead.In these accompanying drawings, one of part that label 51 representatives are combined, a positive hook-shape structure 52 stretches out towards person with the aid of pictures from it.Hook-shape structure 52 has the 54 downward oblique sides 53 that narrow down towards the tip on its thickness.This design can be used for making things convenient for the self-alignment when positive and negative part is by convergence in assembling process, can be shearing in conjunction with motion, also can be based on flexure unber lateral, and in a kind of situation in back, narrow neck can be relative guide structure.In Fig. 5 B, a kind of similar design has the side that becomes curved, and line 56 expression front surfaces also can resemble to recede Fig. 4 a and form shell formula body.Guide structure can be present on the length of whole hook-shape structure, also can be confined to its front portion, and for example, all the other keep the surface of normal shape to avoid the component that makes the hook-shape structure displacement of the power on bonding position or joint line direction.
Among the embodiment shown in Fig. 6 A to 6C, principle of the present invention be applied in U. S. Patent the 5 No. 435076 or the 596 No. 089 described injection apparatus of European patent on, above-mentioned file is used for referencial use in this manual.In general, as shown in Figure 6A dactylostyle part and the sleeve part shown in Fig. 6 B combine and form the sealing of two-chamber shell, and the assembled state figure of its function detail such as Fig. 6 C represents.In Fig. 6 A, label 60 representatives have the plug of the wing 61, and it is used for actual dactylostyle, and dactylostyle has the ring-type ora terminalis 62 that is used for against sleeve, stretches out four sagittate positive hook-shape structures 63 from ora terminalis 62, and the circumference that centers on ora terminalis distributes symmetrically.Positive hook-shape structure 63 inwardly ends at stop surface 64, and it is used to the assembling motion that guiding and stability are provided.In Fig. 6 B, sleeve part 65 has four recesses 66 in its upper end against dactylostyle 60, forms the arrow-shaped corresponding with positive hook-shape structure 63 and bears hook-shape structure.Edge section 67 between two adjacent hook portions 66 can be counted as complementary positive hook portion.In sleeve 65, other outlet that the inner race 68 of a shell is arranged in lower end as shown in the figure and be used to install the outside thread 69 or the shell of pin.Dactylostyle and sleeve can be assembled in the following manner: roughly feel relieved and make after surface 64 inserts in the sleeve 65 slightly at the arrow that makes hook-shape structure 63 and recess 66, promote two coaxial parts.When applying axial force, the effect of arrow design is that arrow and complementary arrow-shaped recess are felt relieved fully, intermediate portion 67 outside deflections between positive arrow 63 inside deflections and/or the negative arrow 66, thereby the broad arrow of hook-shape structure 63 is passed through under the narrow arrow shaft passage of recess 66, part until deflection can be rebounded, thereby makes engagement fully between the two-part that match.As required, for good and all do not damage two-part now, even damage solid mold insert and just be difficult to make two-part separately, thereby prevent the inside deflection of positive hook-shape structure 63 and any bending of assembly.Fig. 6 C represents complete assembly 600, and dactylostyle part 60 is connected in sleeve part 65 as said just now after shell is inserted sleeve.Dactylostyle part 60 constitutes the plug of the sleeve 65 that has content now, and at its ora terminalis 62, dactylostyle 60 forms unbroken continuity on sleeve 65 outer cover surfaces.In the illustrated embodiment, shell comprises a glass ampule, has a stopper that can sting 602 in its lower end, abuts against seat ring 68; A lower chamber 603 that is used for the solid preparation; A lower piston 604, it is divided into bottom and upper chamber with ampoule, loads the solvent of portion's chamber solid in the upper chamber 605; A by-passing part 606, it is used to make the solvent overflow to lower chamber 603; And the upper piston 607 of a closed upper portion chamber 605.Internal thread in plunger 608 engagement dactylostyles 60, screw thread can be in known straight part itself continuously and end at a push button 610.Plunger 608 can be assembled before or after being contained in dactylostyle 60 on the sleeve 65.This device can use according to known mode itself, that is, threaded plunger 608 can be rotated to advance upper piston 607, moves to by-passing part 606 until lower piston 604, and solvent has been forced into lower chamber, and the upper and lower part piston is in contact with one another.Then, further can discharge by pin or other outlet that plug in the stopper 602 that can sting by the preparation of the straight line motion of plunger 608 dissolving.
Fig. 7 A and 7B represent an embodiment with view and sectional view, two tubular portions of this embodiment can in conjunction with and form the sealing be similar to shell shown in Figure 6.The product that assembles can be used for the injection device described in the above-mentioned patent application SE 9602611-7.In Fig. 7 A, label 70 is represented a top cylinder shape part, and it has the positive arrow-shaped hook-shape structure 71 that stretches out from joint line 72, and this hook-shape structure is arranged on the inside stop surface (not shown) similar to the stop surface 64 of Fig. 6 A.The screw thread of arranging in end opposite 73 is used for engagement and drive plunger.Lower cylindrical part 75 is identical with the sleeve 65 of Fig. 6, and its feature repeats no more.As in Fig. 6, lower cylindrical part 75 have corresponding to and be engaged in the negative hook-shape structure part of positive hook-shape structure 71.Shown in Fig. 7 B, top cylinder shape part 70 and lower cylindrical part 75 in conjunction with and form a container, in this container, be inserted with a two-chamber shell 76, its function detail is with identical shown in Fig. 6 C label 601 and 610, but, shell 76 is longer than the shell of Fig. 6 slightly, compares with dactylostyle plug 60 roughly to be equivalent to additional space in the top cylinder shape part 70.As can be seen, the lumbar region that centers on joint line 72 is smooth, has constant substantially width, for example, assembly can be slided in the container of size that closely cooperates.

Claims (65)

1. goods comprise a partial or complete tubulose primary part, and this primary part limits a tube axis and has a peripheral wall to the small part bending of surrounding described axis at least in part; Described wall comprises a jointing edge, it limits a) joint line along described edge on described wall, b) one comprises the junction plane that described joint line draws, c) bonding position, this direction has at least one durection component perpendicular to described joint line and described junction plane, d) one described joint line and described bonding position are positioned at described lock face at least partially on the surface or by the lock face in the section of described wall, e) perpendicular to the normal direction of described junction plane; And at least one locking structure, it is characterized in that:
Described locking structure comprises at least one plus or minus hook-shape structure, and described hook-shape structure deviates from joint line and extends along bonding position in described lock face, and has the undercutting in lock face, and
When described normal direction is looked, described hook-shape structure exposes from least one side of described lock face.
2. goods as claimed in claim 1 is characterized in that: the junction plane of described primary part is axial substantially.
3. goods as claimed in claim 2 is characterized in that: described primary part comprises a tubular portion completely, has one or two basic axial joint line along its circumferencial direction.
4. goods as claimed in claim 1 is characterized in that: the junction plane of described primary part is basically perpendicular to described axis.
5. goods as claimed in claim 1, it is characterized in that: described undercutting is a neck and head formula structure, it have near joint line along the neck of joint line orientation measurement first width with from the joint line head along joint line orientation measurement second width far away, described second width is at least somewhere greater than described first width.
6. goods as claimed in claim 5 is characterized in that: described head has the far-end when joint line is looked, and this far-end protrudes and promptly is convex.
7. goods as claimed in claim 6 is characterized in that: described head has flechette-type, and tip is at its far-end, and arrow constitutes head, and arrow shaft constitutes neck.
8. goods as claimed in claim 1 is characterized in that: more than one hook-shape structure is arranged along joint line.
9. goods as claimed in claim 1 is characterized in that: hook-shape structure is along the joint line symmetric arrangement.
10. goods as claimed in claim 8 is characterized in that: the hook-shape structure that only has a plus or minus mode on primary part.
11. goods as claimed in claim 8 is characterized in that: the hook-shape structure of on primary part, arranging plus or minus.
12. goods as claimed in claim 11 is characterized in that: the hook-shape structure of described positive and negative constitutes the hook-shape structure of symmetry similar substantially in shape.
13. goods as claimed in claim 1 is characterized in that: described lock face is bending or curved surface.
14. goods as claimed in claim 1 is characterized in that: bending is continuous.
15. goods as claimed in claim 1 is characterized in that: hook-shape structure is flexible, can come out from the lock face flexure unber lateral along normal direction.
16. goods as claimed in claim 15 is characterized in that: described hook-shape structure is flexible, towards the lock face bias voltage.
17. goods as claimed in claim 1 is characterized in that: described primary part has a stop surface of overlapping hook-shape structure at least in part when normal direction is looked.
18. goods as claimed in claim 1 is characterized in that: described hook-shape structure has a shape at least somewhere, and this shape is when inclination when normal direction is moved, bending or indention.
19. goods as claimed in claim 1 is characterized in that: described hook-shape structure is flat substantially, along the Extreme breadth of the joint line direction of junction plane greater than maximum ga(u)ge along the normal direction of lock face.
20. goods as claimed in claim 1 is characterized in that: described primary part is rotational symmetric at joint line.
21. goods comprise at least one primary part and at least one sub section; At least primary part limits a tube axis partially or completely in a tubular form, has a crooked at least in part peripheral wall of surrounding described axis to small part; Described sub section has at least one body or wall portion; The described wall of primary part and sub section comprises a jointing edge, it limits a) joint line at described edge, described wall upper edge, b) one comprises the junction plane that described joint line draws, c) bonding position, this direction has at least one durection component perpendicular to described joint line and described junction plane, d) one at least partially on the surface or by the lock face in the section of described wall, described joint line and described bonding position are positioned on the described lock face, e) perpendicular to the normal direction of described junction plane, described primary and secondary partly has locking structure and combined or form and mesh by described locking structure and the supporting member (Kit) of mechanical bond is characterized in that:
Described primary part comprises the hook-shape structure that at least one is positive or negative, and described sub section comprises the positive or negative hook-shape structure of at least one complementation,
On each primary and secondary part, hook-shape structure is arranged in the described lock face, and deviate from described joint line and extend, and have undercutting in lock face along bonding position,
On each primary and secondary part, when when described normal direction is looked, hook-shape structure is uncovered from least one side of lock face,
The locking structure of the primary and secondary part of engagement has the lock face that partially overlaps at least respectively.
22. goods as claimed in claim 21 is characterized in that: the junction plane of primary part is axial substantially.
23. goods as claimed in claim 22 is characterized in that: primary part and sub section are the tubuloses of part, and it is combined into the tubular portion of a complete pipe.
24. goods as claimed in claim 21 is characterized in that: the junction plane of primary part is basically perpendicular to described axis.
25. require 21 described goods as weighing to ask, it is characterized in that: described undercutting is a neck and head formula structure, it have near joint line along the neck of joint line orientation measurement first width with from the joint line head along joint line orientation measurement second width far away, described second width is at least somewhere greater than described first width.
26. goods as claimed in claim 25 is characterized in that: described head has the far-end when joint line is looked, and this far-end protrudes and promptly is convex.
27. goods as claimed in claim 26 is characterized in that: described head has flechette-type, and tip is at its far-end, and arrow constitutes head, and arrow shaft constitutes neck.
28. goods as claimed in claim 21 is characterized in that: more than one hook-shape structure is arranged along joint line.
29. goods as claimed in claim 28 is characterized in that: hook-shape structure is along the joint line symmetric arrangement.
30. goods as claimed in claim 28 is characterized in that: only have the hook-shape structure of plus or minus mode at primary part, sub section has the hook-shape structure of complimentary fashion.
31. goods as claimed in claim 28 is characterized in that: two kinds of hook-shape structures on primary part and sub section, arranging positive and negative.
32. goods as claimed in claim 31 is characterized in that: the hook-shape structure of positive and negative forms the hook-shape structure of symmetry similar substantially in shape.
33. goods as claimed in claim 21 is characterized in that: lock face is bending or curved surface on primary part or sub section.
34. goods as claimed in claim 23 is characterized in that: bending is continuous.
35. goods as claimed in claim 21 is characterized in that: at least a in the hook-shape structure mode of positive and negative is flexible, can come out from the lock face flexure unber lateral along normal direction.
36. goods as claimed in claim 35 is characterized in that: described hook-shape structure is flexible, towards the lock face bias voltage.
37. goods as claimed in claim 21 is characterized in that: described primary part has a stop surface of overlapping hook-shape structure at least in part when normal direction is looked.
38. goods as claimed in claim 21 is characterized in that: described hook-shape structure has a shape at least somewhere, and this shape is when inclination when normal direction is moved, bending or indention.
39. goods as claimed in claim 21 is characterized in that: described hook-shape structure is flat substantially, along the Extreme breadth of the joint line direction of junction plane greater than maximum ga(u)ge along the normal direction of lock face.
40. goods as claimed in claim 21 is characterized in that: the hook-shape structure butt joint of positive and negative or closed tolerance, so that form the connecting part of rigidity.
41. goods as claimed in claim 21 is characterized in that: sub section is partial or complete tubulose.
42. goods as claimed in claim 41 is characterized in that: primary and secondary part in junction plane, have essentially identical outside and/or interior radially extension part.
43. goods as claimed in claim 21 is characterized in that: primary and secondary partly constitutes a container.
44. goods as claimed in claim 43 is characterized in that: adorn a solid objects in the described container, on lock face, a gap less than the thickness of rising to the bait in normal direction is arranged at least with elementary and/or sub section.
45. goods as claimed in claim 43 is characterized in that: place second container in the described container.
46. goods as claimed in claim 45 is characterized in that: powder charge product in described second container.
47. goods as claimed in claim 45 is characterized in that: described second container is injected shell.
48. be used for method in conjunction with at least one primary part and at least one sub section; Described at least one primary part is partial or complete tubulose, limits a tube axis and has the peripheral wall to the small part bending of surrounding described axis at least in part; Described sub section has at least one body or wall portion; The described wall of described primary part and sub section comprises a jointing edge, it limits a) joint line at described edge, described wall upper edge, b) one comprises the junction plane that described joint line draws, c) bonding position, this bonding position has at least one durection component perpendicular to described joint line and junction plane, d) one at least partially on the surface or the lock face in passing the section of described wall, described joint line and bonding position are all in described lock face, e) perpendicular to the normal direction of described junction plane; Described primary part and sub section have locking structure, wherein:
Primary part comprises the hook-shape structure of at least one plus or minus, and sub section comprises the hook-shape structure of the plus or minus that at least one is complementary,
On each primary and secondary part, hook-shape structure is arranged in the lock face, and deviate from joint line and extend and have a undercutting in lock face along bonding position, and
On each primary and secondary part, hook-shape structure when at least one side when normal direction is looked from lock face be uncovered,
It is characterized in that it may further comprise the steps:
A mutual mobile primary part and sub section to a relative position, on this relative position, the lock face of primary part is basically parallel to or coincides with the lock face of sub section, on this relative position, described hook-shape structure is overlapping up to small part when looking along normal direction, its open-position-side faces with each other, and
At least along the hook-shape structure of normal direction displacement primary part and sub section,, merge relevant lock face at least in part so that mesh the hook-shape structure of positive and negative.
49. method as claimed in claim 48 is characterized in that: described displacement step comprises the relative movement on normal direction of primary part and sub section.
50. method as claimed in claim 49 is characterized in that: it comprises the step that is engaged on the more than one hook-shape structure on primary part and the sub section.
51. method as claimed in claim 48 is characterized in that: described displacement step comprise hook-shape structure on normal direction to the small part deflection.
52. method as claimed in claim 51 is characterized in that: described deflection step may further comprise the steps: at first deflection on a normal direction, deflection on opposite normal direction then.
53. method as claimed in claim 51, primary and secondary step partly is characterized in that relatively moving on bonding position.
54. method as claimed in claim 48 is characterized in that: described mobile step is included in the step of the described primary and secondary part that relatively moves on the bonding position.
55. method as claimed in claim 48 is characterized in that: described mobile step is included in the step of the described primary and secondary part that relatively moves on the normal direction.
56. method as claimed in claim 48, it is characterized in that: it is further comprising the steps of: at least one stop surface on convergence or the butt joint primary part and at least one stop surface on the sub section, described stop surface has at least one surface component parallel with lock face.
57. method as claimed in claim 56 is characterized in that: described convergence or butt joint are included in the step of at least one hook-shape structure of deflection on the normal direction.
58. method as claimed in claim 56 is characterized in that: described convergence or butt joint are included in the step of the primary and secondary part that relatively moves on the normal direction.
59. method as claimed in claim 56 is characterized in that: described convergence or butt joint are included in the step of the primary and secondary part that relatively moves on the bonding position.
60. method as claimed in claim 48 is characterized in that the step of a solid objects of insertion in the tubulose primary part at least.
61. method as claimed in claim 60 is characterized in that: described inserting step was carried out before the hook-shape structure engagement.
62. method as claimed in claim 60 is characterized in that making solid objects directed so that when normal direction is looked and the overlapping step of joint line.
63. method as claimed in claim 51 is characterized in that being combined in the step of the more than one hook-shape structure on the primary and secondary part.
64. as each described method in the claim 48 to 63, it is characterized in that: bonding position is axial substantially.
65. as each described method in the claim 48 to 63, it is characterized in that: bonding position is basically perpendicular to described axis.
CN98803155A 1997-03-07 1998-02-17 Structure and method for joining parts Expired - Lifetime CN1117238C (en)

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CZ295372B6 (en) 2005-07-13
AU6640898A (en) 1998-09-22
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CA2282756C (en) 2007-12-18
RU2318141C9 (en) 2008-05-27
DE69820993D1 (en) 2004-02-12
PL335724A1 (en) 2000-05-08
PT965002E (en) 2005-01-31
KR20000076046A (en) 2000-12-26
NO994322L (en) 1999-11-05
DE69820993T2 (en) 2004-12-30
RU2318141C2 (en) 2008-02-27
JP4448202B2 (en) 2010-04-07
NO326218B1 (en) 2008-10-20
WO1998039572A1 (en) 1998-09-11
BR9808199A (en) 2000-05-16
SE9700817D0 (en) 1997-03-07
RU2004135311A (en) 2006-05-10
IL131702A (en) 2003-05-29
CA2282756A1 (en) 1998-09-11
CN1249804A (en) 2000-04-05
HUP0000765A2 (en) 2000-09-28
AU739104B2 (en) 2001-10-04
EP0965002A1 (en) 1999-12-22
IL131702A0 (en) 2001-03-19
TW408054B (en) 2000-10-11
PL193604B1 (en) 2007-02-28
CZ9903160A3 (en) 2001-07-11
HUP0000765A3 (en) 2000-10-30
ATE257553T1 (en) 2004-01-15
HU222461B1 (en) 2003-07-28
KR100540324B1 (en) 2006-01-10
NO994322D0 (en) 1999-09-06

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